git.delta.rocks / unique-network / refs/commits / 2e72efeb8353

4export const paraChildSovereignAccount = (relayApi: ApiPromise, paraid: number) => {4export const paraChildSovereignAccount = (relayApi: ApiPromise, paraid: number) => {
5  // We are getting a *child* parachain sovereign account,5  // We are getting a *child* parachain sovereign account,
6  // so we need a child prefix: encoded(b"para") == 0x706172616  // so we need a child prefix: encoded(b"para") == 0x70617261
7  const childPrefix = '0x70617261';7  const childPrefix = '70617261';
88
9  const encodedParaId = relayApi.createType('u32', paraid).toHex(true).substring(2);9  const encodedParaId = relayApi
10    .createType('u32', paraid)
11    .toHex(true)
12    .substring(2 /* skip 0x */);
13
10  const suffix = '000000000000000000000000000000000000000000000000';14  const addrBytesLen = 32;
1115  const byteLenInHex = 2;
12  return childPrefix + encodedParaId + suffix;16  return '0x' + (childPrefix + encodedParaId).padEnd(addrBytesLen * byteLenInHex, '0');
13};17};
1418
15const proposeOpenChannel = async (relayApi: ApiPromise, relayFee: bigint, senderParaId: number, receiverParaId: number) => {19const proposeOpenChannel = async (relayApi: ApiPromise, relayFee: bigint, senderParaId: number, receiverParaId: number) => {
21    const senderDeposit = BigInt(conf.hrmpSenderDeposit);25    const senderDeposit = BigInt(conf.hrmpSenderDeposit);
2226
23    const requiredBalance = relayFee + senderDeposit;27    const requiredBalance = relayFee + senderDeposit;
24    const sovereignAccount = await paraChildSovereignAccount(relayApi, senderParaId);28    const sovereignAccount = paraChildSovereignAccount(relayApi, senderParaId);
25    const balance = await relayApi.query.system.account(sovereignAccount)29    const balance = await relayApi.query.system.account(sovereignAccount)
26        .then(accountInfo => (accountInfo.toJSON() as any).data.free as bigint);30        .then(accountInfo => (accountInfo.toJSON() as any).data.free as bigint);
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4347
44    const requiredBalance = relayFee + recipientDeposit;48    const requiredBalance = relayFee + recipientDeposit;
4549
46    const sovereignAccount = await paraChildSovereignAccount(relayApi, recipientParaId);50    const sovereignAccount = paraChildSovereignAccount(relayApi, recipientParaId);
47    const balance = await relayApi.query.system.account(sovereignAccount)51    const balance = await relayApi.query.system.account(sovereignAccount)
48        .then(accountInfo => (accountInfo.toJSON() as any).data.free as bigint);52        .then(accountInfo => (accountInfo.toJSON() as any).data.free as bigint);
4953